Theory of Machine Elements of pairs held together mechanically is known as Mechanical pair Open pair Rolling pair Closed pair Mechanical pair Open pair Rolling pair Closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard? The point on the disc making contact with the plane surface has zero acceleration All points of the disc have the same velocity The centre of the disc has zero acceleration The centre of the disc has centrifugal acceleration The point on the disc making contact with the plane surface has zero acceleration All points of the disc have the same velocity The centre of the disc has zero acceleration The centre of the disc has centrifugal acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in All of these Transverse vibrations Longitudinal vibrations Torsional vibrations All of these Transverse vibrations Longitudinal vibrations Torsional vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Tangential acceleration direction is May be any one of these Along the angular velocity Perpendicular to angular velocity Opposite to angular velocity May be any one of these Along the angular velocity Perpendicular to angular velocity Opposite to angular velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other. Any +ve value Zero Infinity Any -ve value Any +ve value Zero Infinity Any -ve value ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mechanism _________ for transmitting or transforming motion. None of these Unpredictable Can be used Can not be used None of these Unpredictable Can be used Can not be used ANSWER DOWNLOAD EXAMIANS APP